Watch case



FIG. 1 is a top plan view of a watch case showing my new design;

FIG. 2 is a rear side elevational view thereof;

FIG. 3 is a front side elevational view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a right side elevational view thereof, the left side being a mirror image thereto. 

The ornamental design for a watch case, as shown and described. 